1987/01/01	41.75
1987/01/02	43.00
1987/01/03	51.75
1987/01/04	49.25
1987/01/05	45.50
1987/01/06	43.00
1987/01/07	41.75
1987/01/08	40.50
1987/01/09	39.25
1987/01/10	38.00
1987/01/11	36.75
1987/01/12	36.75
1987/01/13	35.50
1987/01/14	35.50
1987/01/15	34.25
1987/01/16	34.25
1987/01/17	34.25
1987/01/18	34.25
1987/01/19	34.25
1987/01/20	34.25
1987/01/21	33.00
1987/01/22	33.00
1987/01/23	33.00
1987/01/24	31.75
1987/01/25	31.75
1987/01/26	31.75
1987/01/27	30.50
1987/01/28	30.50
1987/01/29	30.50
1987/01/30	30.50
1987/01/31	29.25
1987/02/01	29.25
1987/02/02	29.25
1987/02/03	28.00
1987/02/04	28.00
1987/02/05	28.00
1987/02/06	26.75
1987/02/07	26.75
1987/02/08	26.75
1987/02/09	26.75
1987/02/10	29.25
1987/02/11	33.00
1987/02/12	41.75
1987/02/13	38.00
1987/02/14	33.00
1987/02/15	29.25
1987/02/16	28.00
1987/02/17	28.00
1987/02/18	26.75
1987/02/19	26.75
1987/02/20	26.75
1987/02/21	26.75
1987/02/22	30.50
1987/02/23	30.50
1987/02/24	28.00
1987/02/25	28.00
1987/02/26	25.50
1987/02/27	24.25
1987/02/28	23.00
1987/03/01	23.00
1987/03/02	21.75
1987/03/03	24.25
1987/03/04	23.00
1987/03/05	28.00
1987/03/06	35.50
1987/03/07	34.25
1987/03/08	34.25
1987/03/09	29.25
1987/03/10	25.50
1987/03/11	24.25
1987/03/12	21.75
1987/03/13	20.50
1987/03/14	19.25
1987/03/15	19.25
1987/03/16	18.00
1987/03/17	18.00
1987/03/18	18.00
1987/03/19	18.00
1987/03/20	17.10
1987/03/21	17.10
1987/03/22	17.10
1987/03/23	17.10
1987/03/24	17.10
1987/03/25	16.20
1987/03/26	16.20
1987/03/27	16.20
1987/03/28	16.20
1987/03/29	15.30
1987/03/30	15.30
1987/03/31	15.30
1987/04/01	15.30
1987/04/02	16.20
1987/04/03	16.20
1987/04/04	16.20
1987/04/05	15.30
1987/04/06	14.40
1987/04/07	13.50
1987/04/08	13.50
1987/04/09	13.50
1987/04/10	16.20
1987/04/11	15.30
1987/04/12	13.50
1987/04/13	13.50
1987/04/14	12.60
1987/04/15	12.60
1987/04/16	12.60
1987/04/17	12.60
1987/04/18	12.60
1987/04/19	17.10
1987/04/20	18.00
1987/04/21	14.40
1987/04/22	33.40
1987/04/23	21.30
1987/04/24	24.60
1987/04/25	22.40
1987/04/26	18.00
1987/04/27	20.20
1987/04/28	15.30
1987/04/29	14.40
1987/04/30	14.40
1987/05/01	20.20
1987/05/02	34.50
1987/05/03	29.00
1987/05/04	23.50
1987/05/05	31.20
1987/05/06	55.60
1987/05/07	54.30
1987/05/08	46.50
1987/05/09	36.70
1987/05/10	33.40
1987/05/11	25.70
1987/05/12	21.30
1987/05/13	20.20
1987/05/14	20.20
1987/05/15	19.10
1987/05/16	21.30
1987/05/17	24.60
1987/05/18	20.20
1987/05/19	20.20
1987/05/20	20.20
1987/05/21	21.30
1987/05/22	17.10
1987/05/23	17.10
1987/05/24	16.20
1987/05/25	13.50
1987/05/26	11.70
1987/05/27	11.70
1987/05/28	11.70
1987/05/29	12.60
1987/05/30	27.90
1987/05/31	22.40
1987/06/01	25.70
1987/06/02	27.90
1987/06/03	37.80
1987/06/04	71.80
1987/06/05	93.55
1987/06/06	84.85
1987/06/07	59.50
1987/06/08	53.00
1987/06/09	79.05
1987/06/10	102.50
1987/06/11	92.10
1987/06/12	79.05
1987/06/13	58.20
1987/06/14	46.50
1987/06/15	45.20
1987/06/16	45.20
1987/06/17	45.20
1987/06/18	77.60
1987/06/19	66.00
1987/06/20	54.30
1987/06/21	46.50
1987/06/22	37.80
1987/06/23	34.50
1987/06/24	32.30
1987/06/25	29.00
1987/06/26	26.80
1987/06/27	25.70
1987/06/28	24.60
1987/06/29	23.50
1987/06/30	134.30
1987/07/01	128.10
1987/07/02	70.35
1987/07/03	55.60
1987/07/04	45.20
1987/07/05	40.00
1987/07/06	35.60
1987/07/07	36.70
1987/07/08	43.90
1987/07/09	50.40
1987/07/10	60.80
1987/07/11	55.60
1987/07/12	49.10
1987/07/13	42.60
1987/07/14	38.90
1987/07/15	35.60
1987/07/16	35.60
1987/07/17	35.60
1987/07/18	36.70
1987/07/19	50.40
1987/07/20	46.50
1987/07/21	41.30
1987/07/22	38.90
1987/07/23	38.90
1987/07/24	35.60
1987/07/25	37.80
1987/07/26	59.50
1987/07/27	96.50
1987/07/28	81.95
1987/07/29	66.00
1987/07/30	59.50
1987/07/31	51.70
1987/08/01	98.00
1987/08/02	156.00
1987/08/03	164.00
1987/08/04	123.50
1987/08/05	108.50
1987/08/06	92.10
1987/08/07	81.95
1987/08/08	77.60
1987/08/09	76.15
1987/08/10	71.80
1987/08/11	104.00
1987/08/12	84.85
1987/08/13	83.40
1987/08/14	73.25
1987/08/15	66.00
1987/08/16	64.70
1987/08/17	66.00
1987/08/18	210.40
1987/08/19	359.20
1987/08/20	292.60
1987/08/21	210.40
1987/08/22	183.20
1987/08/23	606.40
1987/08/24	1952.20
1987/08/25	1844.70
1987/08/26	967.05
1987/08/27	515.70
1987/08/28	361.00
1987/08/29	276.75
1987/08/30	228.50
1987/08/31	196.00
1987/09/01	170.40
1987/09/02	167.20
1987/09/03	233.60
1987/09/04	259.25
1987/09/05	257.50
1987/09/06	255.75
1987/09/07	247.20
1987/09/08	285.50
1987/09/09	317.80
1987/09/10	296.20
1987/09/11	266.25
1987/09/12	221.70
1987/09/13	200.80
1987/09/14	223.40
1987/09/15	280.25
1987/09/16	257.50
1987/09/17	231.90
1987/09/18	191.20
1987/09/19	200.80
1987/09/20	207.20
1987/09/21	208.80
1987/09/22	225.10
1987/09/23	197.60
1987/09/24	167.20
1987/09/25	154.45
1987/09/26	151.35
1987/09/27	364.60
1987/09/28	341.20
1987/09/29	250.60
1987/09/30	196.00
1987/10/01	178.40
1987/10/02	176.80
1987/10/03	200.80
1987/10/04	186.40
1987/10/05	191.20
1987/10/06	184.80
1987/10/07	167.20
1987/10/08	152.90
1987/10/09	243.80
1987/10/10	247.20
1987/10/11	212.00
1987/10/12	180.00
1987/10/13	156.00
1987/10/14	146.70
1987/10/15	135.85
1987/10/16	157.60
1987/10/17	146.70
1987/10/18	132.75
1987/10/19	126.55
1987/10/20	125.00
1987/10/21	131.20
1987/10/22	135.85
1987/10/23	126.55
1987/10/24	126.55
1987/10/25	132.75
1987/10/26	135.85
1987/10/27	117.50
1987/10/28	110.00
1987/10/29	104.00
1987/10/30	98.00
1987/10/31	95.00
1987/11/01	93.55
1987/11/02	90.65
1987/11/03	95.00
1987/11/04	104.00
1987/11/05	122.00
1987/11/06	113.00
1987/11/07	104.00
1987/11/08	101.00
1987/11/09	129.65
1987/11/10	170.40
1987/11/11	132.75
1987/11/12	119.00
1987/11/13	110.00
1987/11/14	107.00
1987/11/15	107.00
1987/11/16	105.50
1987/11/17	102.50
1987/11/18	99.50
1987/11/19	96.50
1987/11/20	96.50
1987/11/21	90.65
1987/11/22	87.75
1987/11/23	87.75
1987/11/24	83.40
1987/11/25	81.95
1987/11/26	80.50
1987/11/27	77.60
1987/11/28	76.15
1987/11/29	74.70
1987/11/30	73.25
1987/12/01	70.35
1987/12/02	68.90
1987/12/03	67.45
1987/12/04	66.00
1987/12/05	64.70
1987/12/06	64.70
1987/12/07	63.40
1987/12/08	62.10
1987/12/09	60.80
1987/12/10	59.50
1987/12/11	59.50
1987/12/12	58.20
1987/12/13	58.20
1987/12/14	56.90
1987/12/15	56.90
1987/12/16	55.60
1987/12/17	54.30
1987/12/18	54.30
1987/12/19	53.00
1987/12/20	53.00
1987/12/21	51.70
1987/12/22	50.40
1987/12/23	49.10
1987/12/24	49.10
1987/12/25	49.10
1987/12/26	49.10
1987/12/27	47.80
1987/12/28	47.80
1987/12/29	47.80
1987/12/30	46.50
1987/12/31	46.50
#===========================================
# Number of observations = 365 / 365
# Average = 91.62